CN213831155U - Blackboard eraser convenient to replace - Google Patents
Blackboard eraser convenient to replace Download PDFInfo
- Publication number
- CN213831155U CN213831155U CN202022364265.3U CN202022364265U CN213831155U CN 213831155 U CN213831155 U CN 213831155U CN 202022364265 U CN202022364265 U CN 202022364265U CN 213831155 U CN213831155 U CN 213831155U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- sponge
- shell
- convenient
- blackboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- 230000008859 change Effects 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a blackboard eraser technical field specifically is a blackboard eraser convenient to change, including the blackboard eraser shell, be equipped with two symmetric distribution's mounting hole on the blackboard eraser shell, the fixed surface of blackboard eraser shell installs magnet, install sponge blackboard eraser main part on the blackboard eraser shell. The utility model discloses blackboard eraser convenient to change, the blackboard eraser mainly divide into the triplex, the blackboard eraser shell, sponge blackboard eraser main part and wiping cloth, supporting setting between blackboard eraser shell and the sponge blackboard eraser main part, be convenient for installation and separation, the lower surface of wiping cloth is the matte, the bonding is connected between the hook face in the sponge blackboard eraser main part and the matte, wiping cloth conveniently tears the change from the sponge blackboard eraser main part, the magnet of the fixed surface installation of blackboard eraser shell is convenient for the blackboard eraser to have used the interact laminating between the magnet on the blackboard, this structure sets up the different subassemblies of the blackboard eraser of being convenient for change, excellent in use effect, and the cost is saved.
Description
Technical Field
The utility model relates to a blackboard eraser technical field specifically is a blackboard eraser convenient to change.
Background
The blackboard eraser belongs to a frequently-used teaching tool, is a tool for erasing chalk marks on a blackboard, is difficult to erase the blackboard completely after being used for a period of time and is usually discarded completely once being damaged, so that resource waste is caused, and therefore, the blackboard eraser convenient to replace is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blackboard eraser convenient to change to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the blackboard eraser convenient to replace comprises a blackboard eraser shell, wherein two mounting holes which are symmetrically distributed are formed in the blackboard eraser shell, a magnet is fixedly mounted on the outer surface of the blackboard eraser shell, a sponge blackboard eraser main body is mounted on the blackboard eraser shell and comprises two rubber fixing rods, a hook surface is arranged on the surface of the sponge blackboard eraser main body, eraser cloth is mounted on the sponge blackboard eraser main body, the upper surface of the eraser cloth is a wiping surface, and the lower surface of the eraser cloth is a suede surface.
Preferably, the two rubber fixing rods are respectively fixed on two sides of the sponge blackboard eraser body in an adhesion manner.
Preferably, the blackboard eraser shell and the sponge blackboard eraser body are arranged in a matched mode, and the rubber fixing rod penetrates through the mounting hole from the inner cavity of the blackboard eraser shell.
Preferably, a plurality of plastic grapples are mounted on the hook surface.
Preferably, the hook surface and the suede surface are in adhesive connection.
Preferably, the wiping surface is wavy.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses blackboard eraser convenient to change, blackboard eraser mainly divide into three parts, blackboard eraser shell, sponge blackboard eraser main part and wiping cloth, the supporting setting between blackboard eraser shell and the sponge blackboard eraser main part, be convenient for installation and separation, the rubber fixed rod of adhesion fixing in sponge blackboard eraser main part both sides passes corresponding mounting hole from the inboard of blackboard eraser shell respectively simultaneously, make the supporting firm that sets up between blackboard eraser shell and the sponge blackboard eraser main part, can not drop easily in the use, the lower surface of wiping cloth is the matte, the hook face on the sponge blackboard eraser main part is connected with bonding between the matte, wiping cloth conveniently tears the change from the sponge blackboard eraser main part, magnet fixed mounting on the surface of blackboard eraser shell is convenient for use to finish utilizing the interact between the magnet to laminate on the blackboard, this structure sets up the different components of the blackboard eraser of being convenient to change, the use effect is good, and the cost is saved.
Drawings
Fig. 1 is one of the overall structural diagrams of the present invention;
fig. 2 is a second schematic view of the overall structure of the present invention;
fig. 3 is a third schematic view of the overall structure of the present invention;
fig. 4 is a schematic view of a texture structure of the present invention.
In the figure: 1. a blackboard eraser housing; 10. mounting holes; 2. a sponge blackboard eraser body; 20. a rubber fixing rod; 21. hooking the noodles; 3. wiping cloth; 30. wiping the surface; 31. suede surface; 4. and a magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
the blackboard eraser convenient to replace comprises a blackboard eraser shell 1, wherein two mounting holes 10 which are symmetrically distributed are formed in the blackboard eraser shell 1, a magnet 4 is fixedly mounted on the outer surface of the blackboard eraser shell 1, a sponge blackboard eraser main body 2 is mounted on the blackboard eraser shell 1, the sponge blackboard eraser main body 2 comprises two rubber fixing rods 20, a hook surface 21 is arranged on the surface of the sponge blackboard eraser main body 2, an eraser cloth 3 is mounted on the sponge blackboard eraser main body 2, the upper surface of the eraser cloth 3 is a wiping surface 30, and the lower surface of the eraser cloth 3 is a suede surface 31.
Further, two rubber fixing rods 20 are respectively fixed on two sides of the sponge blackboard eraser body 2 in an adhesion manner.
Further, the blackboard eraser housing 1 and the sponge blackboard eraser body 2 are matched, and the rubber fixing rod 20 penetrates through the mounting hole 10 from the inner cavity of the blackboard eraser housing 1. The sponge blackboard eraser main body 2 can be bent and stretched due to the characteristics of materials, so that the sponge blackboard eraser main body 2 can be matched with the blackboard eraser shell 1, and the rubber fixing rods 20 on the two sides of the sponge blackboard eraser main body 2 respectively penetrate through the corresponding mounting holes 10 from the inner side of the blackboard eraser shell 1, so that the blackboard eraser shell 1 and the sponge blackboard eraser main body 2 are fixedly connected.
Further, a plurality of plastic grapples are mounted on the hook surface 21. The grapple is adhered to the suede 31, so that the connection and the separation are convenient.
Further, the hook surface 21 is bonded with the suede surface 31. The adhesive connection between the hook surface 21 and the suede surface 31 is very firm through the operation, and the hook surface and the suede surface can be easily separated under the action of external force when needing to be replaced.
Further, the wiping surface 30 is wavy. The chalk dust can fall off conveniently by cleaning the blackboard and can not be gathered on the blackboard eraser.
The bottom edge of the blackboard is also provided with a magnet corresponding to the magnet 4, and the blackboard eraser can be attached to the blackboard by utilizing the interaction between the magnets.
In particular to a blackboard eraser convenient to replace, the blackboard eraser is mainly divided into three parts, namely a blackboard eraser shell 1, the blackboard eraser comprises a sponge blackboard eraser main body 2 and eraser cloth 3, wherein a blackboard eraser shell 1 is connected with the sponge blackboard eraser main body 2, so that the blackboard eraser shell 1 is conveniently connected with and separated from the sponge blackboard eraser main body 2, rubber fixing rods 20 which are fixedly adhered to two sides of the sponge blackboard eraser main body 2 respectively penetrate through corresponding mounting holes 10 from the inner side of the blackboard eraser shell 1, so that the blackboard eraser shell 1 is firmly matched with the sponge blackboard eraser main body 2, the blackboard eraser cannot easily fall off in the using process, the lower surface of the eraser cloth 3 is a suede 31, a hook surface 21 on the sponge blackboard eraser main body 2 is in adhesive connection with the suede 31, the eraser cloth 3 is conveniently torn off from the sponge blackboard eraser main body 2 for replacement, and magnets 4 fixedly arranged on the outer surface of the blackboard eraser shell 1 are convenient to be attached to a blackboard through interaction between the magnets after the blackboard eraser is used.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a blackboard eraser convenient to change, includes blackboard eraser shell (1), its characterized in that: the blackboard eraser is characterized in that two mounting holes (10) which are symmetrically distributed are formed in the blackboard eraser shell (1), a magnet (4) is fixedly mounted on the outer surface of the blackboard eraser shell (1), a sponge blackboard eraser body (2) is mounted on the blackboard eraser shell (1), the sponge blackboard eraser body (2) comprises two rubber fixing rods (20), a hook surface (21) is arranged on the surface of the sponge blackboard eraser body (2), erasing cloth (3) is mounted on the sponge blackboard eraser body (2), the upper surface of the erasing cloth (3) is an erasing surface (30), and the lower surface of the erasing cloth (3) is a suede surface (31).
2. The easy-to-replace blackboard eraser of claim 1, wherein: the two rubber fixing rods (20) are respectively adhered and fixed on two sides of the sponge blackboard eraser main body (2).
3. The easy-to-replace blackboard eraser of claim 1, wherein: the blackboard eraser is characterized in that the blackboard eraser shell (1) and the sponge blackboard eraser body (2) are matched, and the rubber fixing rod (20) penetrates through the mounting hole (10) from the inner cavity of the blackboard eraser shell (1).
4. The easy-to-replace blackboard eraser of claim 1, wherein: the hook surface (21) is provided with a plurality of plastic grapples.
5. The easy-to-replace blackboard eraser of claim 1, wherein: the hook surface (21) is connected with the suede (31) in an adhesive mode.
6. The easy-to-replace blackboard eraser of claim 1, wherein: the wiping surface (30) is wavy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022364265.3U CN213831155U (en) | 2020-10-22 | 2020-10-22 | Blackboard eraser convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022364265.3U CN213831155U (en) | 2020-10-22 | 2020-10-22 | Blackboard eraser convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213831155U true CN213831155U (en) | 2021-07-30 |
Family
ID=77010062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022364265.3U Expired - Fee Related CN213831155U (en) | 2020-10-22 | 2020-10-22 | Blackboard eraser convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213831155U (en) |
-
2020
- 2020-10-22 CN CN202022364265.3U patent/CN213831155U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |